1610652138 has 8 divisors (see below), whose sum is σ = 3221304288. Its totient is φ = 536884044.

The previous prime is 1610652137. The next prime is 1610652157. The reversal of 1610652138 is 8312560161.

It is a sphenic number, since it is the product of 3 distinct primes.

1610652138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1610652099 and 1610652108.

It is not an unprimeable number, because it can be changed into a prime (1610652137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134221006 + ... + 134221017.

It is an arithmetic number, because the mean of its divisors is an integer number (402663036).

Almost surely, 2^1610652138 is an apocalyptic number.

1610652138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1610652138 is a wasteful number, since it uses less digits than its factorization.

1610652138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268442028.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1610652138 is about 40132.9308423893. The cubic root of 1610652138 is about 1172.1969430868.

The spelling of 1610652138 in words is "one billion, six hundred ten million, six hundred fifty-two thousand, one hundred thirty-eight".